From 126bdacca8b7d3ee5902a0b46eedd2afc2dca5ff Mon Sep 17 00:00:00 2001
From: mcramer <m.cramer@pixcept.de>
Date: Tue, 20 Nov 2012 14:11:49 -0500
Subject: [PATCH] Implemented: FS#2546 - Update all custom php.ini files for webs on main php.ini change

---
 server/plugins-available/apache2_plugin.inc.php   |   89 +++++++++++++++++
 server/plugins-available/webserver_plugin.inc.php |  156 +++++++++++++++++++++++++++++++
 server/server.php                                 |    3 
 3 files changed, 248 insertions(+), 0 deletions(-)

diff --git a/server/plugins-available/apache2_plugin.inc.php b/server/plugins-available/apache2_plugin.inc.php
index 92c3708..fd94133 100644
--- a/server/plugins-available/apache2_plugin.inc.php
+++ b/server/plugins-available/apache2_plugin.inc.php
@@ -88,8 +88,97 @@
 		
 		$app->plugins->registerEvent('ftp_user_delete',$this->plugin_name,'ftp_user_delete');
 		
+        $app->plugins->registerAction('php_ini_changed', $this->plugin_name, 'php_ini_changed');
 	}
+    
+    // check for php.ini changes
+    
+    
+    // Handle php.ini changes
+    function php_ini_changed($event_name, $data) {
+        global $app, $conf;
+        
+        $app->uses('getconf');
+		$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');
+		$fastcgi_config = $app->getconf->get_server_config($conf['server_id'], 'fastcgi');
+        
+        /* $data contains an array with these keys:
+         * file -> full path of changed php_ini
+         * mode -> web_domain php modes to change (mod, fast-cgi, php-fpm or '' for all except 'mod')
+         * php_version -> php ini path that changed (additional php versions)
+         */
+        
+        $qrystr = "SELECT * FROM web_domain WHERE custom_php_ini != ''";
+        if($data['mode'] == 'mod') {
+            $qrystr .= " AND php = 'mod'";
+        } elseif($data['mode'] == 'fast-cgi') {
+            $qrystr .= " AND php = 'fast-cgi'";
+            if($data['php_version']) {
+                $qrystr .= " AND fastcgi_php_version LIKE '%:" . $app->db->quote($data['php_version']) . "'";
+            }
+        } elseif($data['mode'] == 'php-fpm') {
+            $qrystr .= " AND php = 'php-fpm'";
+            if($data['php_version']) {
+                $qrystr .= " AND fastcgi_php_version LIKE '%:" . $app->db->quote($data['php_version']) . ":%'";
+            }
+        } else {
+            $qrystr .= " AND php != 'mod' AND php != 'fast-cgi'";
+        }
+        
+        
+        //** Get all the webs
+        $web_domains = $app->db->queryAllRecords($qrystr);
+        foreach($web_domains as $web_data) {
+            $custom_php_ini_dir = $web_config['website_basedir'].'/conf/'.$web_data['system_user'];
+            $web_folder = 'web';
+            if($web_data['type'] == 'vhostsubdomain') {
+                $web_folder = $web_data['web_folder'];
+                $custom_php_ini_dir .= '_' . $web_folder;
+            }
+            if(!is_dir($web_config['website_basedir'].'/conf')) $app->system->mkdir($web_config['website_basedir'].'/conf');
 
+
+            if(!is_dir($custom_php_ini_dir)) $app->system->mkdir($custom_php_ini_dir);
+            $php_ini_content = '';
+            if($web_data['php'] == 'mod') {
+                $master_php_ini_path = $web_config['php_ini_path_apache'];
+            } else {
+                if($web_data['php'] == 'fast-cgi' && file_exists($fastcgi_config["fastcgi_phpini_path"])) {
+                    $master_php_ini_path = $fastcgi_config["fastcgi_phpini_path"];
+                } else {
+                    $master_php_ini_path = $web_config['php_ini_path_cgi'];
+                }
+            }
+            if($master_php_ini_path != '' && substr($master_php_ini_path,-7) == 'php.ini' && is_file($master_php_ini_path)) {
+                $php_ini_content .= $app->system->file_get_contents($master_php_ini_path)."\n";
+            }
+            $php_ini_content .= str_replace("\r",'',trim($web_data['custom_php_ini']));
+            $app->system->file_put_contents($custom_php_ini_dir.'/php.ini',$php_ini_content);
+            $app->log('Info: rewrote custom php.ini for web ' . $web_data['domain_id'] . ' (' . $web_data['domain'] . ').',LOGLEVEL_DEBUG);
+        }
+        
+        if(count($web_domains) > 0) {
+            //* We do not check the apache config here - we only changed the php.ini
+            //* Check if this is a chrooted setup
+            if($web_config['website_basedir'] != '' && @is_file($web_config['website_basedir'].'/etc/passwd')) {
+                $apache_chrooted = true;
+                $app->log('Info: Apache is chrooted.',LOGLEVEL_DEBUG);
+            } else {
+                $apache_chrooted = false;
+            }
+            
+            $app->log('Info: rewrote all php.ini and reloading apache now.',LOGLEVEL_DEBUG);
+            if($apache_chrooted) {
+                $app->services->restartServiceDelayed('httpd','restart');
+            } else {
+                // request a httpd reload when all records have been processed
+                $app->services->restartServiceDelayed('httpd','reload');
+            }
+        } else {
+            $app->log('Info: No webs affected by php.ini change.',LOGLEVEL_DEBUG);
+        }
+    }
+    
 	// Handle the creation of SSL certificates
 	function ssl($event_name,$data) {
 		global $app, $conf;
diff --git a/server/plugins-available/webserver_plugin.inc.php b/server/plugins-available/webserver_plugin.inc.php
new file mode 100644
index 0000000..f7d888b
--- /dev/null
+++ b/server/plugins-available/webserver_plugin.inc.php
@@ -0,0 +1,156 @@
+<?php
+
+/*
+  Copyright (c) 2007-2011, Till Brehm, projektfarm Gmbh and Oliver Vogel www.muv.com
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without modification,
+  are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+ * Neither the name of ISPConfig nor the names of its contributors
+  may be used to endorse or promote products derived from this software without
+  specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+  OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+class webserver_plugin {
+
+	var $plugin_name = 'webserver_plugin';
+	var $class_name = 'webserver_plugin';
+	
+	/**
+	 * This function is called during ispconfig installation to determine
+	 * if a symlink shall be created for this plugin.
+	 */
+	public function onInstall() {
+		global $conf;
+        
+		if($conf['services']['web'] == true) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * This function is called when the module is loaded
+	 */
+	public function onLoad() {
+		global $app;
+
+        $app->plugins->registerAction('server_plugins_loaded', $this->plugin_name, 'check_phpini_changes');
+	}
+
+	/**
+	 * This function is called when a change in one of the registered tables is detected.
+	 * The function then raises the events for the plugins.
+	 */
+	public function process($tablename, $action, $data) {
+		// not needed
+	}
+
+	/**
+	 * The method checks for a change of a php.ini file
+	 */
+	public function check_phpini_changes() {
+		global $app, $conf;
+		
+        //** check if the main php.ini of the system changed so we need to regenerate all custom php.inis
+        $app->uses('getconf');
+        
+        //** files to check
+        $check_files = array();
+        
+        $web_config = $app->getconf->get_server_config($conf['server_id'], 'web');
+        $fastcgi_config = $app->getconf->get_server_config($conf['server_id'], 'fastcgi');
+        
+        //** add default php.ini files to check
+        $check_files[] = array('file' => $web_config['php_ini_path_apache'],
+                               'mode' => 'mod',
+                               'php_version' => ''); // default;
+        
+        $check_files[] = array('file' => $web_config['php_ini_path_cgi'],
+                               'mode' => '', // all but 'mod' and 'fast-cgi'
+                               'php_version' => ''); // default;
+        
+        if($fastcgi_config["fastcgi_phpini_path"] && $fastcgi_config["fastcgi_phpini_path"] != $web_config['php_ini_path_cgi']) {
+            $check_files[] = array('file' => $fastcgi_config["fastcgi_phpini_path"],
+                                   'mode' => 'fast-cgi',
+                                   'php_version' => ''); // default;
+        } else {
+            $check_files[] = array('file' => $web_config['php_ini_path_cgi'],
+                                   'mode' => 'fast-cgi', // all but 'mod'
+                                   'php_version' => ''); // default;
+        }
+        
+        
+        //** read additional php versions of this server
+        $php_versions = $app->db->queryAllRecords('SELECT server_php_id, php_fastcgi_ini_dir, php_fpm_ini_dir FROM server_php WHERE server_id = ' . intval($conf['server_id']));
+        foreach($php_versions as $php) {
+            if($php['php_fastcgi_ini_dir'] && $php['php_fastcgi_ini_dir'] . '/php.ini' != $web_config['php_ini_path_cgi']) {
+                $check_files[] = array('file' => $php['php_fastcgi_ini_dir'] . '/php.ini',
+                                       'mode' => 'fast-cgi',
+                                       'php_version' => $php['php_fastcgi_ini_dir']);
+            } elseif($php['php_fpm_ini_dir'] && $php['php_fpm_ini_dir'] . '/php.ini' != $web_config['php_ini_path_cgi']) {
+                $check_files[] = array('file' => $php['php_fpm_ini_dir'] . '/php.ini',
+                                       'mode' => 'php-fpm',
+                                       'php_version' => $php['php_fpm_ini_dir']);
+            }
+        }
+        unset($php_versions);
+        
+        //** read md5sum status file
+        $new_php_ini_md5 = array();
+        $php_ini_md5 = array();
+        $php_ini_changed = false;
+        if(file_exists(SCRIPT_PATH . '/php.ini.md5sum')) $php_ini_md5 = unserialize(base64_decode(trim($app->system->file_get_contents(SCRIPT_PATH . '/php.ini.md5sum'))));
+        if(!is_array($php_ini_md5)) $php_ini_md5 = array();
+        
+        $processed = array();
+        foreach($check_files as $file) {
+            $file_path = $file['file'];
+            if(substr($file_path, -8) !== '/php.ini') $file_path .= (substr($file_path, -1) !== '/' ? '/' : '') . 'php.ini';
+            if(!file_exists($file_path)) continue;
+            
+            //** check if this php.ini file was already processed (if additional php version uses same php.ini)
+            $ident = $file_path . '::' . $file['mode'] . '::' . $file['php_version'];
+            if(in_array($ident, $processed) == true) continue;
+            $processed[] = $ident;
+            
+            //** check if md5sum of file changed
+            $file_md5 = md5_file($file_path);
+            if(array_key_exists($file_path, $php_ini_md5) == false || $php_ini_md5[$file_path] != $file_md5) {
+                $php_ini_changed = true;
+                
+                $app->log('Info: PHP.ini changed: ' . $file_path . ', mode ' . $file['mode'] . ' vers ' . $file['php_version'] . '.',LOGLEVEL_DEBUG);
+                // raise action for this file
+                $app->plugins->raiseAction('php_ini_changed', $file);
+            }
+            
+            $new_php_ini_md5[$file_path] = $file_md5;
+        }
+        
+        //** write new md5 sums if something changed
+        if($php_ini_changed == true) $app->system->file_put_contents(SCRIPT_PATH . '/php.ini.md5sum', base64_encode(serialize($new_php_ini_md5)));
+        unset($new_php_ini_md5);
+        unset($php_ini_md5);
+        unset($processed);
+	}
+}
+
+?>
\ No newline at end of file
diff --git a/server/server.php b/server/server.php
index 54a4b5b..be710ee 100644
--- a/server/server.php
+++ b/server/server.php
@@ -153,6 +153,9 @@
 	$app->modules->loadModules('all');
 	//** Load the plugins that are in the plugins-enabled folder
 	$app->plugins->loadPlugins('all');
+	
+	$app->plugins->raiseAction('server_plugins_loaded', '');
+	
 	if ($tmp_num_records > 0) {
 		$app->log("Found $tmp_num_records changes, starting update process.", LOGLEVEL_DEBUG);
 		//** Go through the sys_datalog table and call the processing functions

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